Table 5. Mean number of motifs and evenness by period with one standard deviation.

Period	No. motifs	Evenness
1350–1400	10.03±3.19	0.14±0.03
1400–1450	8.27±3.07	0.10±0.04
1400–1450	11.15±4.00	0.10±0.05
1450–1500	11.82±6.08	0.08±0.03
1550–1600	9.75±5.80	0.09±0.07
1600–1650	7.09±3.20	0.06±0.02